CVE•Published 2026-05-12•Modified 2026-05-13•1 article on news•5 live references•NVD data

CVE-2026-43989

Vulnerability data via NVD (ingested)

CVSS v3.1

8.5

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

EPSS percentile

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Weaknesses (CWE)

CWE-20Improper Input Validation CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CWE-59Improper Link Resolution Before File Access ('Link Following')CWE-73External Control of File Name or Path

Description

JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload_wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. This vulnerability is fixed in 0.x.y-security-1.

Timeline

Published 2026-05-12

Modified 2026-05-13

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-43989

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-43989

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-43989

Censys host search filtered to this CVE id.

grep.app

CVE-2026-43989